body {
    font-family: 'Arial', sans-serif;
    background: rgb(116,254,189);
    background: radial-gradient(circle, rgba(116,254,189,1) 0%, rgba(1,114,175,1) 100%);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container-surat {
    background-color: #e0f7fa;
    border-radius: 15px;
    padding: 30px;
    max-width: 600px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: left;
}

h1 {
    color: #0277bd;
    text-align: center;
    margin-bottom: 20px;
}

p {
    color: #555;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
}

ul {
    color: #555;
    font-size: 16px;
    margin-bottom: 20px;
    margin-left: 17px;
}

ul li {
    margin-bottom: 10px;
}

.tandatangan {
    text-align: left;
    margin-top: 30px;
}

.tandatangan strong {
    color: #0277bd;
}